J.R. S. answered 10/16/18
Tutor
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(145)
Ph.D. in Biochemistry--University Professor--Chemistry Tutor
Are you asking what that number is? You didn't put that in the question. The number would be 2.
Half of 2 is 1.
Increase that by twice the number (2x2 =4), so you have 1 + 4 and that equals 5.
1/2 x + 2x = 5
2 1/2 x = 5
2.5 x = 5
x = 5/2.5
x = 2